Over the weekend, Cara Delevingne joined the scores of celebrities who are getting a head start on the holiday season [1], and she had her girlfriend, St. Vincent, by her side to celebrate. The supermodel gave fans a glimpse into her cozy family weekend on Instagram, posting a couple of huge group pictures that featured St. Vincent and Cara's older sister Poppy.

The gorgeous duo first sparked dating rumors over the Summer, when Cara attended St. Vincent's performance [2] at the Osheaga Music Festival in Montreal. Since then, they've stepped out at London Fashion Week [3] and paired up for a couple of sweet outings in NYC [4]. Now, it looks like St. Vincent has been welcomed into the Delevingne family with open arms. Keep reading to see their festive snaps, then check out the cutest celebrity holiday Instagrams [5] of all time.